/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.fn.data;



/**

 * A receiver of streamed data that can be closed.

 *

 * <p>The close method for a {@link CloseableFnDataReceiver} must be idempotent.

 */

public interface CloseableFnDataReceiver<T> extends FnDataReceiver<T>, AutoCloseable {



  /**

   * Eagerly flushes any data that is buffered in this channel.

   *

   * @deprecated to be removed once splitting/checkpointing are available in SDKs and rewinding in

   *     readers.

   * @throws Exception

   */

  @Deprecated

  void flush() throws Exception;



  /**

   * {@inheritDoc}.

   *

   * <p>Does nothing if this {@link CloseableFnDataReceiver} is already closed.

   */

  @Override

  void close() throws Exception;

}